diff --git a/SConstruct b/SConstruct
index b327a8b581..27a5a6120e 100755
--- a/SConstruct
+++ b/SConstruct
@@ -114,8 +114,8 @@ Export("help_texts")
 # Help() function, but these two features are incompatible: once
 # you've overridden the help text using Help(), there's no way to get
 # at the help texts from AddOptions.  See:
-#     http://scons.tigris.org/issues/show_bug.cgi?id=2356
-#     http://scons.tigris.org/issues/show_bug.cgi?id=2611
+#     https://github.com/SCons/scons/issues/2356
+#     https://github.com/SCons/scons/issues/2611
 # This hack lets us extract the help text from AddOptions and
 # re-inject it via Help().  Ideally someday this bug will be fixed and
 # we can just use AddOption directly.
diff --git a/site_scons/site_tools/default.py b/site_scons/site_tools/default.py
index 8e8e863661..1965a20173 100644
--- a/site_scons/site_tools/default.py
+++ b/site_scons/site_tools/default.py
@@ -68,7 +68,7 @@ def common_config(env):
 
     # Tell scons to avoid implicit command dependencies to avoid issues
     # with the param wrappes being compiled twice (see
-    # http://scons.tigris.org/issues/show_bug.cgi?id=2811)
+    # https://github.com/SCons/scons/issues/2811
     env['IMPLICIT_COMMAND_DEPENDENCIES'] = 0
     env.Decider('MD5-timestamp')
     env.root = env.Dir('#')